${{\mathit \eta}_{{{2}}}{(1870)}}$ WIDTH

INSPIRE   PDGID:
M101W
VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 225 \pm14}$ OUR AVERAGE
$235$ $\pm22$
BARBERIS
2000B
450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{f}}}}{{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}_{{{s}}}}$
$228$ $\pm23$
BARBERIS
2000C
450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{f}}}}$4 ${{\mathit \pi}}{{\mathit p}_{{{s}}}}$
$200$ $\pm40$
BARBERIS
1997B
OMEG 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$)
$200$ $\pm25$ $\pm45$
ADOMEIT
1996
CBAR 1.94 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}$3 ${{\mathit \pi}^{0}}$
$221$ $\pm92$ $\pm44$ $26$
KARCH
1992
CBAL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$250$ $\pm25$ ${}^{+50}_{-35}$
ANISOVICH
2000E
SPEC $0.9 - 1.94$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}$3 ${{\mathit \pi}^{0}}$
$170$ $\pm40$
BAI
1999
BES ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$
References